Senior Full Stack Engineer
Confirmed on the employer's own hiring board on Nov 9, 2026. First seen by Alion on Nov 8, 2026.
About the Role
Join an early-stage healthtech team building AI agents that coordinate logistics for people living with serious chronic conditions. As a senior individual contributor and product-minded engineer, you will help shape the product and engineering practices as the team grows.
What You'll Do
Lead greenfield development for enterprise products and deliver related improvements to a consumer-facing application.
Partner with company leadership to shape the product roadmap for the coming months and year.
Build, debug, and evaluate AI agents, including prompt engineering and evaluation harnesses.
Drive work to make the agents secure and enterprise-ready, including SOC 2 and HIPAA compliance.
Mentor engineers, coordinate work, review code, and contribute to hiring as the team expands.
What We're Looking For
Six or more years of full stack engineering experience, ideally in the six-to-ten-year range.
Experience shipping user-facing products from zero to one at an early-stage or high-growth startup.
Proficiency with React, TypeScript, Python, and FastAPI, along with cloud platforms such as AWS or Google Cloud and tools such as Firebase and Firestore.
Production experience with LLMs, including agent orchestration, prompt and context design, tool use, evaluations, guardrails, and observability.
Experience as a founding or staff engineer, technical lead, or mentor to other engineers.
Healthcare or other regulated-industry experience is valuable, as is familiarity with HIPAA or SOC 2.
Strong front-end design skills and familiarity with Figma.
Compensation & Benefits
Base salary: $185,000 to $210,000 annually. Visa sponsorship is not available.
Location
On-site in Boston, Massachusetts, United States, five days per week. Relocation assistance is not available.